, :
, ( ).
, .
, .
.
.
.
.
.
, , ;
2 3 : 1) ( ), 2) , .. , , 3) .
4-6 , : . 7 . 9 , ( , ), , t
P{t > t} = e-vt, v , .. , . :
→ → →
, , .. . . 0 ; k k ≤ N , k≥N , k>N .
, .. , . , ( ).
, . .
: ρ = α/v, α , v , .. , .
:
P , :
|
|
P0 , .
P = (Pk) = P0*(ρ^(N+1))/(N!(N-ρ))
,
P = (Pk) = Pn + P =P0*(ρ^(N))/((N-1)!(N-ρ))
:
M = (kPk) = P0(ρ*(ρ^k/k!) + (ρ^(N+1)*(N+1-ρ))/((N-1)!(N-ρ)^2)
= (kPN+k) = P0*(ρ^(n+1)/(N-1)!(N-ρ)^2
= (kPk) + NP
= N
,
= (PN+k(k+1)/Nv)
, , ,
= α
, , :
= +1/v
, , ,
= α = + ρ
,
1 P*e^(-(Nv-α)t)